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Can anyone explain to me how a rifle scope, low mounted on a flattop AR receiver, can make the front sight disappear, even though the front sight is "obviously" in the way of the scope?
My first attempt to mount a scope "high" failed due to poor equipment choices in the rings / mounts that I used. One of my shooting buddies told me about this phenomena. When I removed my rear sight and mounted a scope (3-9x40) low on the receiver, sure enough the front sight was not visible in the scope.:confused:
 

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I believe it's the magnification. The front sight is too close to the optic to be able to be focused.
 
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